Andrey Korff took part in the Caucasian War and led an attack on Veden in 1859.

In 1884, Korf was put in charge of the newly established Maritime Governorate-General, which included the Russian Far East from the island of Sakhalin in the east to Lake Baikal in the west.

[1] He worked to improve education, to encourage colonization of the Ussuri River basin, to protect the sealskin trade, to create commercial relations with Japan and China, and to build coal mines on the island of Sakhalin.

He was also appointed as the first commander of the Amur Military District, a post he would hold until his death on 7 February 1893.

Baron Korff's marble tomb in the Khabarovsk City Cathedral was destroyed by the Communists in 1930.